During the summit Experience Analytics was announced which allows to integrate offline and online data. https://theblog.adobe.com/experience-analytics-complete-view-customer/
I cannot find any other details about this tool anywhere.
Do you have more details ?
Is it available as we speak or it is scheduled for the future? If so when?
Do we have more details on how it works ?
How does it compare to Data Sources?
Which contract level will be required to use this feature?
Looks like Trevor already got in touch with you on Twitter.